class Car {
  const Car({this.name, this.imageUrl});
  // ? 表示 空安全的
  final String? name;
  final String? imageUrl;
}


final List<Car> datas = [
  const Car(
      name: "name11",
      imageUrl:
      "https://img0.baidu.com/it/u=14291669,53233856&fm=253&fmt=auto&app=138&f=JPEG?w=800&h=500"),
  const Car(
      name: "name223",
      imageUrl:
      "https://img0.baidu.com/it/u=14291669,53233856&fm=253&fmt=auto&app=138&f=JPEG?w=800&h=500"),
  const Car(
      name: "name3",
      imageUrl:
      "https://img0.baidu.com/it/u=14291669,53233856&fm=253&fmt=auto&app=138&f=JPEG?w=800&h=500"),
  const Car(
      name: "name4",
      imageUrl:
      "https://img0.baidu.com/it/u=14291669,53233856&fm=253&fmt=auto&app=138&f=JPEG?w=800&h=500"),
  const Car(
      name: "name5",
      imageUrl:
      "https://img0.baidu.com/it/u=14291669,53233856&fm=253&fmt=auto&app=138&f=JPEG?w=800&h=500"),
  const Car(
      name: "name6",
      imageUrl:
      "https://img0.baidu.com/it/u=14291669,53233856&fm=253&fmt=auto&app=138&f=JPEG?w=800&h=500")
];
